Per

Look up PER, Per, per, or per- in Wiktionary, the free dictionary.

Per or PER may refer to:

Places

Peru (IOC country code)
Pér, a village in Hungary
Perthshire (Chapman code), historic county in Scotland

Science and technology

Physics education research
Packed Encoding Rules, in computing, an ASN.1 wire format
Per (storm), a January 2007 storm in Sweden

Mathematics

Rate (mathematics), ratio between quantities in different units
Price–earnings ratio, in finance, a measure of growth in earnings
Player efficiency rating, a measure of basketball player performance
Partial equivalence relation, class of relations that are symmetric and transitive

Science

Perseus (constellation) (standard astronomical abbreviation)
Period (gene) or per, that regulates the biological clock and its corresponding protein PER
Protein efficiency ratio, of food
PER or peregrinibacteria, a candidate bacterial phylum

Media and entertainment

PeR (band), a Latvian pop band
Per (film), a 1975 Danish film

Transport

Perth Airport (IATA code), in Western Australia
Penrhiwceiber railway station (National Rail station code), Rhondda Cynon Taf, Wales
Perambur railway station (Indian Railways station code), Chennai, India

Other uses

Per (given name), a Scandinavian form of Peter
Per sign (⅌), a symbol used to indicate a ratio

See also

This disambiguation page lists articles associated with the title Per.
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